# Voltage Divider vs Caline

The clearest difference is review sentiment: Caline at 100% against Voltage Divider's 56%. Caline also leads on rating (5.0 vs 2.7) and update cadence (every 2 weeks vs every 48 months). Voltage Divider's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Voltage Divider costs $1.99 and Caline $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Caline holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 56% of Voltage Divider's written reviews are positive against 100% of Caline's.

Voltage Divider ships an update every 48 months, Caline every 2 weeks. The most recent releases landed on June 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Voltage Divider | Caline |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/voltage-divider/id372094728/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/caline/id6443817507/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ditty Labs, LLC](https://appshunter.io/developer/420813089) | [Yuuichi Kuze](https://appshunter.io/developer/1649578927) |

## What reviewers say

### Voltage Divider

[App page](https://appshunter.io/ios/app/voltage-divider/id372094728)

This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.

**Highlights:** Solves for Vin, Vout, R1, or R2, Resistor picker with actual values, Displays ideal resistor value, Calculates voltage tolerance, Shows current and power consumption

**Features:** macOS Compatibility

**In-app purchases:** none


### Caline

[App page](https://appshunter.io/ios/app/caline/id6443817507)

This calculator app allows users to save and refer to past calculation memos. It supports a wide range of functions, including trigonometric and logarithmic operations, and displays units like k, M, p, and % for better readability. It can also express values in decibels and hexadecimal format.

**Highlights:** Save and recall calculation memos, Trigonometric and logarithmic functions, Variable support, Unit display (k, M, p, %), Decibel expression, Hexadecimal conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Divider free?

Voltage Divider costs $1.99, with no in-app purchases.

### Is Caline free?

Caline costs $1.99, with no in-app purchases.

### Which has better reviews, Voltage Divider or Caline?

Caline is rated higher. Voltage Divider averages 2.7 out of 5 from 3 ratings, while Caline averages 5.0 from 2 ratings.

### Do Voltage Divider or Caline have ads?

Neither Voltage Divider nor Caline shows ads.

### Which is updated more often, Voltage Divider or Caline?

Voltage Divider ships an update every 48 months, and Caline every 2 weeks. Most recently, Voltage Divider was updated on June 23, 2026 and Caline on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*